EP0264582A2 - Fermeture pour conteneur, en particulier pour contenir et transporter des matériaux radioactifs et/ou toxiques - Google Patents

Fermeture pour conteneur, en particulier pour contenir et transporter des matériaux radioactifs et/ou toxiques Download PDF

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Publication number
EP0264582A2
EP0264582A2 EP87112462A EP87112462A EP0264582A2 EP 0264582 A2 EP0264582 A2 EP 0264582A2 EP 87112462 A EP87112462 A EP 87112462A EP 87112462 A EP87112462 A EP 87112462A EP 0264582 A2 EP0264582 A2 EP 0264582A2
Authority
EP
European Patent Office
Prior art keywords
guide tube
roller
standpipe
jacket
closure according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP87112462A
Other languages
German (de)
English (en)
Other versions
EP0264582A3 (fr
Inventor
Klaus Küster
Richard Peters
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutsche Gesellschaft Zum Bau und Betrieb Von Endlagern fur Abfallstoffe Mbh (dbe)
Original Assignee
Deutsche Gesellschaft Zum Bau und Betrieb Von Endlagern fur Abfallstoffe Mbh (dbe)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Deutsche Gesellschaft Zum Bau und Betrieb Von Endlagern fur Abfallstoffe Mbh (dbe) filed Critical Deutsche Gesellschaft Zum Bau und Betrieb Von Endlagern fur Abfallstoffe Mbh (dbe)
Publication of EP0264582A2 publication Critical patent/EP0264582A2/fr
Publication of EP0264582A3 publication Critical patent/EP0264582A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/06—Details of, or accessories to, the containers
    • G21F5/12—Closures for containers; Sealing arrangements

Definitions

  • the invention relates to a closure for containers according to the preamble of claim 1.
  • DE-OS 32 48 594 shows a transport and shielding container for molds with highly radioactive waste, in which the loading and unloading closures of the receiving channel of the container consist of roller valves.
  • the roller slide is formed from a rotatable roller, the two end faces of which have stub shafts which are mounted in a housing.
  • the roller is longer than the diameter of the receiving channel. It is penetrated perpendicularly to its circumference by a bore, the diameter of which corresponds approximately to the diameter of the receiving channel of the container. By turning the roller, the bore can be aligned with the receiving channel for loading and unloading the molds.
  • the container is closed, the transported goods stand on a surface line of the roller pusher. It is advantageous that the roller valve is completely enclosed by the container system even in the open state, so that external influences can hardly affect the closure system of the container.
  • the disadvantage is the necessarily great overall height of such a locking system and the resulting high weight.
  • the object of the present invention is to provide a closure for containers of the type mentioned in the introduction in such a way that optimal shielding can be achieved without additional measures and a minimal overall height.
  • the design according to the invention Due to the design according to the invention, a large part of the roller valve volume can be used as a transport space for the goods to be transported. This makes it possible to reduce the height of the container required for the installation of a roller valve to almost the height of a flat valve.
  • the design according to the invention eliminates the high additional transport weight that is present in the previously known roller valves.
  • the interior of the container can be sealed off from the environment in a large area and optimally, in contrast to the sealing difficulties mentioned above when using a flat slide valve closure.
  • the drawing shows a closure in the form of a roller slide 2, which has a roller 4 rotatable about its axis.
  • the roller 4 is mounted in a bearing shell of a container 7 which is only partially shown (see FIG. 4).
  • the roller consists of a hollow jacket construction with metal ends 8, 10 on the end face, which are welded into the jacket 12 of the roller 4 consisting of sheet steel.
  • the end seals are designed for the bearing of the roller in large ball bearings 14 (see FIG. 2) and contain chambers 16 for receiving shielding materials.
  • a guide tube 18 is inserted radially, preferably centrally, for carrying the goods to be transported, for example a mold 20 (see FIG. 4) during loading and unloading (for example welded in).
  • the guide tube ends at both ends in the outer surface of the roller.
  • a stand shaft 22 is formed radially at right angles to the guide tube 18 for receiving the goods to be transported in the transport phase.
  • This stand shaft 22 has a standpipe 24 which ends at one end in the lateral surface of the roller 4 and at the other end preferably dips into the guide tube 18 in the center, preferably up to 80% of its diameter.
  • the resulting circular sections 26 of the standing shaft 22 with the jacket of the guide tube 18 serve as a contact surface of the goods to be transported or the mold during transport.
  • the standpipe it is also possible for the standpipe to be immersed in the guide tube 18 by the entire diameter, as is shown in broken lines in FIG. 4, where due to the standing area for the goods to be transported is correspondingly lower.
  • the stand shaft 24 in one of the two 90 ° roller segments between the guide tube 18 and the standpipe 24 the mutually facing jacket half-shells of the guide tube and the standpipe are cut out, so that jacket half-shells 28 and 30 are formed which face one another with the open side.
  • 90 ° circular segment sheets 38, 40 are inserted (welded in). As a result, the interior of the roller is closed off from the space formed by the stand shaft 22 and the guide tube 18.
  • the roller jacket 12 in the connection area i.e. milled between the circular segment sheets 38, 40 so that a recess 42 connecting the semicircular mouths of the half-shells 28 and 30 is formed in the roller shell, the width of which corresponds to the diameter of the standpipe and which extends over a 90 ° roller segment.
  • Shields 44 can be introduced into the interior of the roller between the jacket part facing away from the standing shaft (half-shell plus jacket part in the extension of the half-shell) of the guide tube 18 and the jacket of the roller.
  • the roller slide described above works as follows, with particular reference being made to FIGS. 1 and 4.
  • the transported goods for example a mold
  • the roller is run through an external drive (not shown) rotated by 90 ° until the mold rests on one side against the wall of the standing shaft, specifically against the half-shell 30 of the standing tube 24.
  • the mold is then lowered and placed on the contact surfaces 26 of the stand shaft 22.
  • the mold must be inserted up to at least the height of the edges 32, 33 of the standpipe half-shell so that a complete rotation of the roller 4 by 90 ° is possible.
  • the container is emptied in reverse order.
  • the mold is first raised slightly so that the roller can be turned 90 ° to align the mold with the guide tube.
  • the mold is then removed via the guide tube.
  • a roller slide valve of the type described above can be provided at both ends of the container or only at the upper or lower end.
  • the insertion tube and also the standpipe can also be designed with a polygonal cross section.
  • the cross section can be hexagonal, for example, in order to be able to accommodate, if appropriate, correspondingly hexagonal molds.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Closures For Containers (AREA)
  • Sliding Valves (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
EP87112462A 1986-10-23 1987-08-27 Fermeture pour conteneur, en particulier pour contenir et transporter des matériaux radioactifs et/ou toxiques Withdrawn EP0264582A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3636033 1986-10-23
DE19863636033 DE3636033C1 (de) 1986-10-23 1986-10-23 Verschluss fuer Behaelter,insbesondere zur Aufnahme und zum Transport von radioaktiven und/oder toxischen Stoffen

Publications (2)

Publication Number Publication Date
EP0264582A2 true EP0264582A2 (fr) 1988-04-27
EP0264582A3 EP0264582A3 (fr) 1989-03-15

Family

ID=6312289

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87112462A Withdrawn EP0264582A3 (fr) 1986-10-23 1987-08-27 Fermeture pour conteneur, en particulier pour contenir et transporter des matériaux radioactifs et/ou toxiques

Country Status (2)

Country Link
EP (1) EP0264582A3 (fr)
DE (1) DE3636033C1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1553725A (fr) * 1967-07-12 1969-01-17
GB2103989A (en) * 1981-07-10 1983-03-02 Atomic Energy Authority Uk Posting system
DE3248594A1 (de) * 1982-12-30 1984-07-12 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Transport- und abschirmbehaelter fuer kokillen mit hochradioaktivem abfall

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1553725A (fr) * 1967-07-12 1969-01-17
GB2103989A (en) * 1981-07-10 1983-03-02 Atomic Energy Authority Uk Posting system
DE3248594A1 (de) * 1982-12-30 1984-07-12 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Transport- und abschirmbehaelter fuer kokillen mit hochradioaktivem abfall

Also Published As

Publication number Publication date
DE3636033C1 (de) 1988-02-11
EP0264582A3 (fr) 1989-03-15

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Inventor name: PETERS, RICHARD